{"id":3027,"date":"2026-10-12T08:00:00","date_gmt":"2026-10-12T01:00:00","guid":{"rendered":"https:\/\/dykhoa.com\/blog\/?post_type=thuat_ngu&p=3026"},"modified":"2026-10-12T08:00:00","modified_gmt":"2026-10-12T01:00:00","slug":"chi-so-chat-luong-khong-khi-aqi","status":"publish","type":"thuat_ngu","link":"https:\/\/dykhoa.com\/blog\/thuat-ngu\/chi-so-chat-luong-khong-khi-aqi\/","title":{"rendered":"Ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed (AQI) l\u00e0 g\u00ec?"},"content":{"rendered":"

C\u01a1 quan B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng Hoa K\u1ef3 (EPA) thi\u1ebft l\u1eadp thang \u0111o AQI t\u1eeb 0 \u0111\u1ebfn 500 v\u1edbi 6 m\u00e3 m\u00e0u tr\u1ef1c quan \u0111\u1ec3 c\u1ea3nh b\u00e1o r\u1ee7i ro s\u1ee9c kh\u1ecfe cho ng\u01b0\u1eddi d\u00e2n (EPA, 2020). Xem b\u00e0i \u00d4 nhi\u1ec5m kh\u00f4ng kh\u00ed h\u1ea1i tim m\u1ea1ch<\/a>.<\/p>\n

C\u00e1c d\u1ea3i m\u1ee9c \u0111\u1ed9 c\u1ea3nh b\u00e1o<\/h2>\n

– 0-50 (Xanh l\u00e1): T\u1ed1t.
– 51-100 (V\u00e0ng): Trung b\u00ecnh.
– 101-150 (Cam): K\u00e9m, nh\u1ea1y c\u1ea3m v\u1edbi ng\u01b0\u1eddi gi\u00e0, tr\u1ebb nh\u1ecf.
– 151-200 (\u0110\u1ecf): X\u1ea5u, c\u00f3 h\u1ea1i cho s\u1ee9c kh\u1ecfe m\u1ecdi ng\u01b0\u1eddi.
– 201-300 (T\u00edm): R\u1ea5t x\u1ea5u.
– 301-500 (N\u00e2u): Nguy h\u1ea1i kh\u1ea9n c\u1ea5p.<\/p>\n","protected":false},"excerpt":{"rendered":"

Ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed l\u00e0 thang \u0111o quy chu\u1ea9n d\u00f9ng \u0111\u1ec3 b\u00e1o c\u00e1o m\u1ee9c \u0111\u1ed9 trong l\u00e0nh ho\u1eb7c \u00f4 nhi\u1ec5m c\u1ee7a kh\u00f4ng kh\u00ed h\u00e0ng ng\u00e0y v\u00e0 nh\u1eefng \u1ea3nh h\u01b0\u1edfng s\u1ee9c kh\u1ecfe t\u01b0\u01a1ng \u1ee9ng \u0111\u1ed1i v\u1edbi c\u1ed9ng \u0111\u1ed3ng.<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","nhom_thuat_ngu":[473],"class_list":["post-3027","thuat_ngu","type-thuat_ngu","status-publish","hentry","nhom_thuat_ngu-truyen-thong-suc-khoe"],"yoast_head":"\nCh\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed (AQI) l\u00e0 g\u00ec? - Dy Khoa Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dykhoa.com\/blog\/thuat-ngu\/chi-so-chat-luong-khong-khi-aqi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u1ec9 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed (AQI) l\u00e0 g\u00ec? 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